Wildflower Archive

woodland shrub

Salmonberry

Rubus spectabilis

Salmonberry (Rubus spectabilis)1 of 2
Alaska

Native to Alaska, California, Idaho, Oregon, and Washington and southern Canada

Southern coastal Alaska to northwestern California; rarely east of the Cascade crest to Bonner County, Idaho

  • Light Full sun to shade Sun tolerance
  • Moisture Moist Moisture preference
  • Zones 3–10 Cold to heat range
  • Bloom Mar–Jun Flowering time
  • Height up to 12 ft to 3.7 m
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland shrub for sun through shade and evenly moist soil. At up to 12 ft, it needs room in shade gardens and woodland edges. Hardy in USDA zones 3–10.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Hardiness zones

Find your zone:

Pollinators & wildlife

  • Bees Yellow-faced Bumble Bee
    also Western Honey Bee, Black-tailed Bumble Bee, Fuzzy-Horned Bumble Bee +53 more Orange-legged Furrow Bee, Yellow-fronted Bumble Bee, Yellowish Cuckoo Bumble bee, Sitka Bumble Bee, Van Dyke's Bumble Bee, Lucorum-group Bumble Bees, Cresson's Mining Bee, Patchwork Leafcutter Bee, Little Masked Bee, Common Masked Bee, Buff-tailed Bumble Bee, Little Blue Carpenter Bee, Short-fringed Miner, Common Furrow Bee, Osmia tristella, Red-tailed Bumble Bee, Flavous Nomad Bee, Shaggy Furrow Bee, Osmia pusilla, Green-eyed Flower Bee, Peaceful Sweat Bee, Partly-haired Miner Bee, Osmia dolerosa, Lasioglossum zonulum, Coelioxys inermis, Rufescent Sharp-tail Bee, European Yellow Loosestrife Bee, Wood-carving Leafcutter Bee, Tree Bumble Bee, Red-tailed Mason Bee, Bicoloured Miner, Common Miniature Mining Bee, Fork-tailed Flower Bee, Cliff Mining Bee, Garden Bumble Bee, Small Flecked Mining Bee, Painted Mining Bee, White-jawed Yellow-face Bee, Gooden's Nomad Bee, Vestal Cuckoo Bumble bee, Early Mining Bee, Forest Cuckoo Bumble bee, Large Gorse Mining Bee, Large Meadow Mining Bee, Shingle Yellow-face Bee, Common Pantaloon Bee, Common Carder Bumble Bee, Silvery Leafcutter Bee, Field Cuckoo Bumble bee, Early Bumble Bee, Washington Miner Bee, Fog-belt Bumble Bee, Shifty Miner Bee
  • Flower flies Black-margined Flower Fly also Variable Duskyface Fly, Common Dainty, Western Pond Fly
  • Beetles Asian Lady Beetle also Coreopsis Beetle, Evodinus monticola vancouveri, Western Polished Lady Beetle
  • Also visited by
    • Butterflies: Western Tiger Swallowtail, Margined White
    • Hummingbirds: Anna's Hummingbird

Butterflies that use this plant

Documented host and nectar records. Each links to a planting guide for that butterfly.

Full plant details

Where it grows

Habitat
WoodlandThe wild plant community it grows in.
Native range
Alaska, California, Idaho, Oregon, and Washington and southern CanadaUnited States (5): AK, CA, ID, OR, WA. Canada (1): BC. Where it grows wild on its own, by state and province.
Native distribution
Southern coastal Alaska to northwestern California; rarely east of the Cascade crest to Bonner County, IdahoThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Full sun to shadeHow much sun it takes, from full sun to full shade.
Moisture
MoistThe soil dampness it prefers, from dry to wet.
Hardiness zones
USDA 3–10 · Canadian 1–9The cold-to-heat climate range it survives.
Soil
Moist to drier soilsThe soils it grows in naturally.
Soil texture
Light to heavy (sandy to clay)The soil grade it prefers, from sand to clay.
Soil pH
5.7–7.2The acidity to alkalinity it tolerates (7 is neutral).
Soil quality
LowHow rich a soil it needs. Many natives prefer lean soil and flop in rich beds.
Water use
MediumHow thirsty it is, a rough guide to how often to water.
Salinity tolerance
NoneHow well it copes with salty soil, near roads or the coast.
Lime (CaCO₃) tolerance
MediumHow well it copes with chalky, lime-rich soil.

Growth & form

Height
up to 12 ft (to 3.7 m)Typical mature height.
Spread
~3 ft (1 m)How wide one plant gets, a guide to spacing.
Life cycle
PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).
Growth rate
ModerateA relative ranking versus other plants of the same type (USDA), not an absolute rate.
Shape
Semi-ErectIts overall silhouette.
Root depth
10+ in (25+ cm)How far the roots reach, a guide to drought resilience and transplanting.

Flowers, foliage & fruit

Type
ShrubWhat kind of plant it is.
Bloom
Mar–JunWhen it flowers.
Flower color
Red, Pink, PurpleThe bloom color, or colors.
Toxicity
None knownWhether any part is poisonous to people or pets.

Propagation & seed

Cold stratification
Not requiredWhether seed needs a cold, moist spell before it will germinate.
Propagation
Bare root, container, cuttings, seedHow to start new plants.
Seed
~0.1 million seeds per poundNotes on the seed and how to sow it.
Seed spread rate
SlowHow readily it self-sows. Slow or none means well-behaved, not a spreader.
Seedling vigor
LowHow strongly young seedlings establish.
Vegetative spread
SlowWhether it creeps outward or stays put in a clump.